function init()
	{ 
		window.event.returnValue=false;
	}
 


	function openWin(URL)
	{
		var	x,y;

		x = screen.width/2 - 175;
		y = screen.height/2 - 150;


		aWindow = window.open(URL, "", "menubar=no, toolbar=no, statusbar=no, width=350, height=300, left="+ String(x) +", top="+ String(y) +", status=no, resize=no");
	}

	function openWin2(URL)
	{
		var	x,y;

		x = screen.width/2 - 250;
		y = screen.height/2 - 150;


		aWindow = window.open(URL, "", "menubar=no, toolbar=no, width=500, height=300, left="+ String(x) +", top="+ String(y) +", status=no, resize=no");
	}

	function openWin3(URL, title)
	{
		var	x,y;

		x = screen.width/2 - 250;
		y = screen.height/2 - 300;


		aWindow = window.open(URL, title, "toolbar=yes, scrollbars=yes , width=500, height=500, left="+ String(x) +", top="+ String(y) +", status=yes, resize=yes");
	}


	function openWin4(URL)
	{
		var	x,y;

		x = screen.width/2 - 260;
		y = screen.height/2 - 150;


		aWindow = window.open(URL, "", "toolbar=yes, scrollbars=yes , width=520, height=300, left="+ String(x) +", top="+ String(y) +", status=yes, resize=yes");
	}


	function imgLoadOn (imgName, nameFile)
	{

		if(document.images) {
			document[imgName].src = "http://www.windsurfmeter.com/Images/" + nameFile;
		}
	}

	function imgLoadOff (imgName, nameFile)
	{

		if(document.images) {
			document[imgName].src = "http://www.windsurfmeter.com/Images/" + nameFile;
		}
	}